F2FS surpasses other two filesystems in both random and sequential. In desktop and Galaxy S3, f2fs exhibits 2.5 and 1.6 times better performance in random write against EXT4, respectively. EXT4 is standard Android filesystem.

F2FS surpasses other two filesystems in both random and sequential workload. In desktop and Galaxy S3, f2fs exhibits 2 and 1.5 times better performance in write+fsync random write against EXT4, respectively.

write() with fsync is to test the filesystem performance under Android SQLite operation.

* experiment 3: mounting time
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To measure the mount time, we used two different scenarios. First, we mounted file system after formatting without rebooting system. Second, we mounted file system after rebooting in order to ensure any data cached in memory is flushed. Overall, EXT4 shows fastest mount time, and F2FS shows second best performance; however, we observed that F2FS takes longest time to mount right after formatting.